<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表格</title>
</head>
<body>
    <table border cellspacing='0' width='400px'>
        <!-- 表头 -->
        <thead>
            <tr>
                <th>编号</th>
                <th>姓名</th>
                <th>性别</th>
                <th>联系方式</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td colspan="2">1</td>
                <td rowspan="2">张三</td>
                <td>男</td>
            </tr>
            <tr>
                <td>2</td>
                <td>李四</td>
                <td>男</td>
            </tr>
        </tbody>
    </table>
</body>
</html>